JPS5859012U

JPS5859012U - reversible light beam coupler

Info

Publication number: JPS5859012U
Application number: JP1982124119U
Authority: JP
Inventors: ピエトロ・デイ・ヴイタ
Original assignee: シ・エツセ・エ・エレ・チ−セントロ・ステユデイ・エ・ラボラトリ・テレコミニカチオ−ニ・エツセ・ピ−・ア−
Priority date: 1978-04-26
Filing date: 1982-08-18
Publication date: 1983-04-21
Also published as: JPS5512988A; CA1112085A; US4280751A; DE2960261D1; EP0004980A1; EP0004980B2; IT7867932A0; IT1107326B; EP0004980B1

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は最初の具体例の概略断面図であって、オプティ
カルガイドは同じ平面に対称的に配列されていて、そし
て反射表面は楕円的断面をもつ。第２図は第２の具体例の概略的断面であって、オプティ
カル・ガイドは非対称に配列されている。第３図は第１図に類似であって、平面反射表面とレンズ
をもつ本考案の別の具体例を示す。第４図もさらに１つ
の具体例の透視図であって、ガイドはスペースにおいて
放射方向に（ｒａｄｉａｌｌｙ）配列されている。第５
図は本考案に従かう共同カプラの多数を示す。１、　２．　３・・・トランク（ガイド）、４．　５．
　６・・・反射表面、７・・・プリズム、８・・・透明
材料、ｌＡ。２Ａ、　３Ａ−・・焦点、７ａ、　７ｂ、　７Ｃ−三角
形の頂点、１１．１２．１３・・・ガイド、１４，１５
゜１６−・・表面、１７−・・プリズム、１７ａ、１７
ｂ。１７Ｃ・・・頂点、２１．　２２．　２３・・・ガイド
、２７・・・プリズム、１２４，１２５，１２６・・・
レンズ、３０．３１，３２．３３・・・ガイド、３４．
３５゜３６．４４．４５．４６・・・面、３７・・・立
方体、４７．５７．６７・・・立体（ｓｏｌｉｄ、ソリ
ッド）、１０１．１０２．・・・・・・１０７・・・ガ
イド。FIG. 1 is a schematic cross-sectional view of a first embodiment, in which the optical guides are arranged symmetrically in the same plane and the reflective surfaces have an elliptical cross-section. FIG. 2 is a schematic cross-section of a second embodiment, in which the optical guides are arranged asymmetrically. FIG. 3 is similar to FIG. 1 and shows another embodiment of the invention having a planar reflective surface and a lens. FIG. 4 is also a perspective view of one embodiment in which the guides are radially arranged in space. Fifth
The figure shows a number of cooperative couplers according to the invention. 1, 2. 3... Trunk (guide), 4. 5.
6... Reflective surface, 7... Prism, 8... Transparent material, lA. 2A, 3A--focal point, 7a, 7b, 7C-vertex of triangle, 11.12.13...guide, 14,15
゜16--Surface, 17--Prism, 17a, 17
b. 17C... Vertex, 21. 22. 23... Guide, 27... Prism, 124, 125, 126...
Lens, 30.31, 32.33... Guide, 34.
35° 36.44.45.46...surface, 37...cube, 47.57.67...solid (solid), 101.102. ...107...Guide.

Claims

[Claims for Utility Model Registration] (1) Arranged both for splitting a light beam into at least two partial light beams and for combining at least two partial light beams into a single light beam. Also, a reversible optical beam coupler for a light beam transmitted through optical guides, the coupler comprising at least three optical guides whose end faces face a common area and which are spaced apart from the end faces. a central body within the area having a plurality of outer reflective surfaces, each terminating near the axis of the pair of associated light guides, each of the outer surfaces intersects the common axial plane of the pair along the arc of an ellipse, the focal point of the ellipse coincides with the center of the end face of the pair, so that a ray emanating from one of the centers will be directed to the center of the other. and the coupler is configured such that each light guide has a ray path extending from the center of its end face to at least two of the reflective surfaces, or combs the light guides. Any one
light rays from one are directed to at least two other parts of the light guide without passing through the central body, and the end face and the end containing the central body have an index of refraction of the light guide. A reversible light beam coupler as described above, characterized in that it is embedded in a substance of transparent material having approximately equal refractive indices. (2) The reflective surfaces are flat surfaces 24, 25, 26, each of which is the focal point 21A of each lens. A reversible light beam coupler according to claim 1, characterized in that the reversible light beam coupler is substantially aligned with the joint. (5) the light guide axes are on the same plane, and
The reversible light according to claim 1, which intersects at a common point, and the central body forms equally spaced vertices that are colinear with the axis. beam coupler. (6) the central body is a cube, and the central body is a cube;
Reversible light beam according to claim 1, characterized in that it is associated with a pair of lenses 124, 125, 126 in which A, 23A coincides with the geometrical center of the end face of the guide. (3) The waveguide 1. 2. 3; 11. 12. 13
;21°22.23;30,31.32.33 related to each other in numbers, and reflective surfaces 4.5.6;14.15
．． 16; 24, 25, 26; 34° 35. 36, 44,
The position of the waveguide relative to 45.46 determines the angle of incidence of the beam or sub-beam with respect to each reflective surface, such that most or all rays of the corresponding reflected beam are
2. The reversible light beam coupler according to claim 1, wherein the reversible light beam coupler reaches the end face of the receiving guide according to an angle not larger than the receiving angle of the guide. (4) The axis of each light guide is aligned with the two axes of the reflective surface and each diagonal of the cube, as set forth in claim 1 of the utility model registration claim. Reversible optical beam coupler. (7) one of the light guides is connected to a receiver for illumination energy from the other two light guides;
In summary, a light barrier is interposed between the other two light guides to prevent either of the other two light guides from being illuminated by the other. A reversible optical beam coupler as set forth in claim 1 of the utility model registration. (8) one of the light guides illuminates two other light guides via respective reflective surfaces of the central body, and at least one of the other light guides illuminates a second reflective surface. A reversible light beam coupler according to claim 1, which extends towards the body and distributes the received illumination energy between a plurality of further light guides.